[....] Starting enhanced syslogd: rsyslogd[ 11.156721] audit: type=1400 audit(1515357443.090:5): avc: denied { syslog } for pid=3308 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.306798] audit: type=1400 audit(1515357450.240:6): avc: denied { map } for pid=3449 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.226' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 24.461923] audit: type=1400 audit(1515357456.395:7): avc: denied { map } for pid=3463 comm="syzkaller937230" path="/root/syzkaller937230767" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.506321] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.007524] WARNING: CPU: 0 PID: 3481 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 25.016915] Kernel panic - not syncing: panic_on_warn set ... [ 25.016915] [ 25.024259] CPU: 0 PID: 3481 Comm: syzkaller937230 Not tainted 4.15.0-rc6-next-20180105+ #89 [ 25.032821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.042145] Call Trace: [ 25.044712] dump_stack+0x137/0x198 [ 25.048317] panic+0x1e4/0x41c [ 25.051488] ? refcount_error_report+0x214/0x214 [ 25.056221] ? show_regs_print_info+0x18/0x18 [ 25.060689] ? __probe_kernel_read+0x16b/0x1c0 [ 25.065239] ? vmcs_load+0x9c/0x110 [ 25.068834] ? __warn+0x1c1/0x200 [ 25.072269] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 25.077269] __warn+0x1dc/0x200 [ 25.080519] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 25.085513] report_bug+0x211/0x2d0 [ 25.089120] fixup_bug.part.11+0x37/0x80 [ 25.093148] do_error_trap+0x249/0x290 [ 25.097011] ? math_error+0x310/0x310 [ 25.100794] ? check_noncircular+0x20/0x20 [ 25.104994] ? mark_held_locks+0xaf/0x100 [ 25.109111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.113927] do_invalid_op+0x1b/0x20 [ 25.117612] invalid_op+0x22/0x40 [ 25.121033] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 25.126622] RSP: 0018:ffff8801c111fac0 EFLAGS: 00010293 [ 25.131952] RAX: ffff8801c0d36100 RBX: ffff8801bf108000 RCX: ffffffff810b889d [ 25.139198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bd809be0 [ 25.146446] RBP: ffff8801c111fc00 R08: 1ffff10037b01e13 R09: 0000000000000001 [ 25.153685] R10: ffff8801c111faa0 R11: 0000000000000000 R12: 0000000000000000 [ 25.160928] R13: ffff8801c7dccd00 R14: ffff8801bd8099c0 R15: ffff8801bd8099c0 [ 25.168185] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 25.173356] ? synchronize_sched.part.64+0x8e/0xd0 [ 25.178264] ? call_rcu_bh+0x20/0x20 [ 25.181951] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 25.186774] kvm_vcpu_ioctl+0x601/0xcb0 [ 25.190725] ? kvm_vcpu_ioctl+0x601/0xcb0 [ 25.194851] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 25.198973] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.204141] ? __pmd_alloc+0x4e0/0x4e0 [ 25.208004] ? check_noncircular+0x20/0x20 [ 25.212208] ? find_held_lock+0x35/0x1e0 [ 25.216240] ? find_held_lock+0x35/0x1e0 [ 25.220272] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 25.224392] do_vfs_ioctl+0x190/0xfe0 [ 25.228162] ? selinux_file_ioctl+0x354/0x540 [ 25.232624] ? lock_downgrade+0x860/0x860 [ 25.236741] ? ioctl_preallocate+0x1c0/0x1c0 [ 25.241122] ? __fget+0x22b/0x390 [ 25.244549] ? security_file_ioctl+0x89/0xb0 [ 25.248930] SyS_ioctl+0x8f/0xc0 [ 25.252271] entry_SYSCALL_64_fastpath+0x23/0x9a [ 25.256994] RIP: 0033:0x445a69 [ 25.260151] RSP: 002b:00007fb322e9dda8 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 25.267826] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445a69 [ 25.275064] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000029 [ 25.282307] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.289553] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dac20 [ 25.296791] R13: 6d766b2f7665642f R14: 0030656c69662f2e R15: 000000000000000a [ 25.304563] Dumping ftrace buffer: [ 25.308132] (ftrace buffer empty) [ 25.311810] Kernel Offset: disabled [ 25.315409] Rebooting in 86400 seconds..